N=int(input())
L=[int(i) for i in input().split()]

count=0
for i in range(0,N-2):
    for j in range(i+1,N-1):
        for k in range(j+1,N):
            if (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]):
                if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1
print(count) N=int(input()) N int(input()) int input() input int(i) for i in input().split() for i in input().split() i input().split() ().split () input split for i in input().split() int(i) int i L=[int(i) for i in input().split()] L [int(i) for i in input().split()] count=0 count 0 for i in range(0,N-2):
    for j in range(i+1,N-1):
        for k in range(j+1,N):
            if (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]):
                if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1 i range(0,N-2) range 0 N-2 N 2 for j in range(i+1,N-1):
        for k in range(j+1,N):
            if (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]):
                if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1 j range(i+1,N-1) range i+1 i 1 N-1 N 1 for k in range(j+1,N):
            if (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]):
                if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1 k range(j+1,N) range j+1 j 1 N if (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]):
                if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1 (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]) (L[i]!=L[j])&(L[i]!=L[k]) L[i]!=L[j] L[i] L i L[j] L j L[i]!=L[k] L[i] L i L[k] L k L[j]!=L[k] L[j] L j L[k] L k if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1 (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]) (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j]) L[i]+L[j]>L[k] L[i]+L[j] L[i] L i L[j] L j L[k] L k L[i]+L[k]>L[j] L[i]+L[k] L[i] L i L[k] L k L[j] L j L[j]+L[k]>L[i] L[j]+L[k] L[j] L j L[k] L k L[i] L i count+=1 count 1 print(count) print count L=[int(i) for i in input().split()] [int(i) for i in input().split()] L count+=1 1 count N=int(input()) int(input()) N count=0 0 count
N=int(input())
L=[int(i) for i in input().split()]

count=0
for i in range(0,N-2):
    for j in range(i+1,N-1):
        for k in range(j+1,N):
            if (L[i]!=L[j])&(L[i]!=L[k])&(L[j]!=L[k]):
                if (L[i]+L[j]>L[k])&(L[i]+L[k]>L[j])&(L[j]+L[k]>L[i]):
                    count+=1
print(count)